package epraxis.servlet.app.capitulo;

import entity.Capitulo;
import entity.ContenidoCapitulo;
import entity.Unidad;
import facade.EpraxisHome;
import java.io.IOException;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@WebServlet(name = "EditarCapituloDisplay", urlPatterns = {"/app/capitulo/EditarCapituloDisplay.view"})
public class EditarCapituloDisplay extends HttpServlet {

    @EJB
    private EpraxisHome home;
    private String pathDispatcher;

    private List<Unidad> listaUnidad;
    private Capitulo capitulo;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");

        try {
            Integer idCapitulo = new Integer(request.getParameter("id"));
            capitulo = home.getCapituloByID(idCapitulo);
        } catch (Exception e) {
            throw new IOException("Debe especificar el capitulo para editar");
        }

        listaUnidad = home.getListaUnidadByCurso(capitulo.getUnidad().getCurso());

        ContenidoCapitulo contenidoCapitulo = home.getContenidoCapituloByCapitulo(capitulo);

        request.setAttribute("listaUnidad", listaUnidad);
        request.setAttribute("capitulo", capitulo);
        request.setAttribute("curso", capitulo.getUnidad().getCurso());
        request.setAttribute("contenidoCapitulo", contenidoCapitulo);

        pathDispatcher = "/app/capitulo/editarCapituloDisplay.jsp";
        request.getRequestDispatcher(pathDispatcher).forward(request, response);
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
